Home / 27,659.75-38,171.93-16,335.81

Finding the Fourth Proportional to 27,659.75, 38,171.93 and 16,335.81

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Solution

The fourth proportional to 27,659.75, 38,171.93 and 16,335.81 is: 22,544.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,659.75 : 38,171.93 = 16,335.81 : x
  2. Step 2: Convert to fraction form
    27,659.75/38,171.93 = 16,335.81/x
  3. Step 3: Cross multiply
    27,659.75x = 38,171.93 × 16,335.81
  4. Step 4: Simplify right side
    27,659.75x = 623,569,314.13
  5. Step 5: Solve for x
    x = 623,569,314.13/27,659.75
  6. Step 6: Final answer
    x = 22,544.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.